#include "apue.h"
#include <fcntl.h>

int main(int argc, char *argv[]){
	if(argc<2)
		err_quit("usage: 4-2 <pathname>");

	if(access(argv[1], R_OK) < 0)
		err_ret("access error for %s", argv[1]);
	else
		printf("read access OK\n");

	if(open(argv[1], O_RDONLY) < 0)
		err_ret("open error for %s", argv[1]);
	else printf("open for reading OK\n");

	exit(0);
}
